Consider the following statements regarding biodiversity conservation in India: 1. National Parks allow limited human activities like grazing and timber collection. 2. Wildlife Sanctuaries provide protection to both flora and fauna. Which of the statements given above is/are correct?

Prolonged occupational exposure to excessive noise from heavy machinery without hearing protection causes noise-induced hearing loss. Excess noise is categorized as a:

Long-term exposure to indoor air pollutants, such as smoke from burning biomass fuels, significantly increases the risk of developing chronic respiratory conditions like: